ife-vd-like-view.js

// state : {likes: Number, dislikes: Number}
function likeView(state, handler) { 
  return h('div', [
    h('button', {
      on   : { click: handler.bind(null, {action: 'like'}) }
    }, 'Like'),
    h('button', {
      on   : { click: handler.bind(null, {action: 'dislike'}) }
    }, 'Dislike'),
    h('div', `Likes   : ${state.likes}`),
    h('div', `Dislikes : ${state.dislikes}`),
  ]); 
}